SPECIFICATIONS
Measurement Conditions (unless otherwise specified): Line voltage 120 Vac, 60 Hz (SCM810) or 230 Vac, 50 Hz (SCM810E); full gain; 1 kHz, one channel activated; source impedances: Mic 150 Ω, Line 150 Ω; termina- tions: Line 10 kΩ, Phones 300 Ω
Frequency Response (Ref 1 kHz, channel controls centered) 50 Hz to 20 kHz ±2 dB;
Voltage Gain (typical, controls full clockwise)
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Input |
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| Line | Headphones | Direct Out | |||
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| 80 dB | 88 dB | 34 dB | ||||
mic (150 Ω) |
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Line |
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| 40 dB | 48 dB | ||||
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Aux |
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| 44 dB | 52 dB | - | |||
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Send/Return |
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| 20 dB | 28 dB | - | |||
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Input |
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| Actual |
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| Clipping | ||
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Mic |
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| 1.6 kΩ |
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Line |
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| ≤ | Ω |
| 10 kΩ |
| +22 dBV |
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| 2 k |
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Aux |
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| ≤ | Ω |
| 10 kΩ |
| +22 dBV |
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| 2 k |
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Send/Return |
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| ≤ | Ω |
| 10 kΩ |
| +18 dBV |
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| 2 k |
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Outputs |
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Output |
| Designed for |
| Actual |
| Output | ||
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| Clipping | ||
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Line |
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| >600 Ω |
| 60 Ω |
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Headphones |
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| 300 Ω |
| +12 dBV | ||
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| 60 Ω |
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Direct Out |
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| >2 kΩ |
| 1 kΩ |
| +18 dBV | |
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Send/Return |
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| >2 kΩ |
| 1 kΩ |
| +18 dBV | |
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Total Harmonic Distortion
<0.1% at +18 dBV output level, 50 Hz to 20 kHz (through 20
Hum and Noise
Equivalent Input Noise | . . . . |
| through 400 Hz |
Equivalent Input Hum and Noise:
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Hum and Noise (through 20 Hz to 20 kHz filter; channel controls full counterclockwise))
Master full counterclockwise . . . . . . . . . . . . . . . . . . . . . . . . .
Common Mode Rejection
>70 dB at 1 kHz
Polarity
Mic/Line, Send inputs to all outputs are
Input Channel Activation
Attack Time 4 ms
Hold Time0.4 s (Switchable to 1.0 s)
Decay Time0.5 s
15dB (switchable to ∞)
Overload and Shorting Protection
Shorting outputs, even for prolonged periods, causes no damage. Mi- crophone inputs are not damaged by signals up to 3 V; Line and Monitor inputs by signals up to 20 V
Equalization
Limiter
Type Peak
Threshold Switchable: off, +4, +8, +16 (dBm at output)
Attack Time2 ms Recovery Time300 ms
Indicator Lights red when limiting occurs
Input LEDs
Green on channel activation, red at 6 dB below clipping
Phantom Power
46Vdc
Operating Voltage
SCM810: 120 Vac rated nominal (see Voltage Selection for 230 Vac op- eration), 50/60 Hz, 200 mA
SCM810E: 230 Vac rated nominal (see Voltage Selection for 120 Vac operation), 50/60 Hz, 100 mA
Temperature Range
Operating0° to 60° C (32° to 140° F)
Overall Dimensions
44.5mm H x 483 mm W x 317 mm D (1 3/4 x 19 x 12 1/2 inches)
Net Weight
4.3kg (9 lb 9 oz)
Certifications
SCM810: Listed by Underwriters Laboratories, Inc., listed as Certified by
Canadian Standards Association; SCM810E: Conforms to European Union directives, eligible to bear CE marking; VDE
Replacement Parts
Block Connector | 95A8580 |
Knob, Master & Phones (white) | 95A8238 |
Knob, Channel Gain (blue) | 95B8238 |
Line (Power) Cord (SCM810) | 95A8389* |
Line (Power) Cord (SCM810E) | 95A8247* |
Link Cable | 95A8889 |
*For systems requiring other mains connectors, obtain a power cord with an IEC 320 type mating connector for connection to the SCM810, and an appropriate plug on the other end for connection to the mains. The supplied cord uses Harmonized IEC Cordage with color coding as follows: Brown = Line, Blue = Neutral, Green/Yellow = Ground.
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